extern const struct ipcomp_algorithm *ipcomp_algorithm_lookup(int);
extern void ipcomp4_input(struct mbuf *, int);
extern int ipcomp4_output(struct mbuf *, struct ipsecrequest *);
-#endif /* KERNEL_PRIVATE */
-#endif /* KERNEL */
+#endif KERNEL_PRIVATE
+#endif KERNEL
-#endif /* _NETINET6_IPCOMP_H_ */
+#endif _NETINET6_IPCOMP_H_